選用(yong)(yong)適當的(de)(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)劑對(dui)超聲(sheng)波清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效果影響較大。超聲(sheng)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)的(de)(de)(de)作(zuo)用(yong)(yong)機(ji)制主要是空化作(zuo)用(yong)(yong),除物質的(de)(de)(de)主要成(cheng)分、油垢或機(ji)體自(zi)身的(de)(de)(de)機(ji)械雜質外,選擇的(de)(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)必(bi)須考慮到清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)的(de)(de)(de)粘度和表(biao)面(mian)張(zhang)力,才能起到空化作(zuo)用(yong)(yong)。超聲(sheng)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)對(dui)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)質量的(de)(de)(de)要求(qiu)很高,經常(chang)使用(yong)(yong)幾種不同(tong)的(de)(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)在不同(tong)的(de)(de)(de)槽中或依次進行,每一種清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)的(de)(de)(de)作(zuo)用(yong)(yong)都(dou)不一樣(yang)。舉例來(lai)說(shuo),三氯(lv)乙烯(xi)、氫(qing)氧化鈉(na)水溶液(ye)、合成(cheng)洗(xi)(xi)(xi)(xi)滌劑、水、酒精先(xian)后用(yong)(yong)來(lai)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)光學元件(jian)(jian),丙酮(tong)及1*混合清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye),用(yong)(yong)來(lai)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)半導體設備,用(yong)(yong)2*的(de)(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)和去離(li)子(zi)水,經過多次清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi),零(ling)件(jian)(jian)表(biao)面(mian)達(da)到預期效果。
最常(chang)見的(de)(de)(de)方式就是(shi)將超(chao)聲(sheng)波清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)浸(jin)入(ru)槽內,在(zai)含有清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)(ye)(ye)的(de)(de)(de)超(chao)聲(sheng)波清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)槽內,由超(chao)聲(sheng)波換能(neng)器產生的(de)(de)(de)超(chao)聲(sheng)波振動由清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)槽底部(bu)(bu)輻(fu)射到清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)(ye)(ye)中(zhong)。尤其(qi)適用(yong)(yong)于(yu)中(zhong)小型零(ling)件(jian)。對大(da)(da)小、重量較大(da)(da)的(de)(de)(de)零(ling)件(jian),可采(cai)用(yong)(yong)局(ju)部(bu)(bu)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)的(de)(de)(de)方法(fa)(fa),即(ji)將零(ling)件(jian)浸(jin)入(ru)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)(ye)(ye)中(zhong)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi),未清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)部(bu)(bu)分浸(jin)在(zai)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)(ye)(ye)中(zhong),直至完全清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)。另外(wai)一(yi)種(zhong)方法(fa)(fa)是(shi)根據大(da)(da)尺寸零(ling)件(jian)形狀及局(ju)部(bu)(bu)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)的(de)(de)(de)需要(yao),設計特殊(shu)形狀的(de)(de)(de)超(chao)聲(sheng)換能(neng)器,實現局(ju)部(bu)(bu)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)。對具有嚴格(ge)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)要(yao)求(qiu)的(de)(de)(de)零(ling)件(jian),在(zai)不(bu)同(tong)的(de)(de)(de)槽內采(cai)用(yong)(yong)多(duo)種(zhong)不(bu)同(tong)的(de)(de)(de)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)(ye)(ye)進行超(chao)聲(sheng)波清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)。另外(wai),還(huan)可以使用(yong)(yong)其(qi)他的(de)(de)(de)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)方法(fa)(fa),例(li)如(ru)(ru)加熱浸(jin)洗(xi)(xi)(xi),超(chao)聲(sheng)波清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)等(deng)。對含有特厚油脂的(de)(de)(de)零(ling)件(jian),一(yi)般(ban)先用(yong)(yong)熱浸(jin)洗(xi)(xi)(xi)或高溫噴洗(xi)(xi)(xi),再用(yong)(yong)超(chao)聲(sheng)波清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)。對某些零(ling)件(jian)形狀過于(yu)復雜,如(ru)(ru)孔、孔角不(bu)一(yi)致等(deng),可采(cai)用(yong)(yong)一(yi)次(ci)多(duo)次(ci)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi),即(ji)在(zai)不(bu)同(tong)超(chao)聲(sheng)頻(pin)率下清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)。
清(qing)(qing)(qing)洗液(ye)的(de)(de)(de)超聲(sheng)(sheng)振(zhen)動頻(pin)率(lv)對(dui)(dui)(dui)超聲(sheng)(sheng)清(qing)(qing)(qing)洗效果(guo)有(you)(you)(you)很大(da)(da)的(de)(de)(de)影響,這是(shi)因為它對(dui)(dui)(dui)空化的(de)(de)(de)影響很大(da)(da)。通常用(yong)在20kHz左右。約20kHz時容(rong)易產生(sheng)氣穴,清(qing)(qing)(qing)洗效果(guo)明顯。但是(shi)對(dui)(dui)(dui)表面要(yao)求高(gao)、孔(kong)徑或縫隙小(xiao)的(de)(de)(de)產品,宜(yi)使用(yong)短波、能(neng)量集中的(de)(de)(de)高(gao)頻(pin)超聲(sheng)(sheng)波清(qing)(qing)(qing)洗,有(you)(you)(you)時頻(pin)率(lv)可達800KHz。但高(gao)頻(pin)超聲(sheng)(sheng)振(zhen)動在清(qing)(qing)(qing)洗液(ye)中衰減大(da)(da),作用(yong)距離短,空化強度小(xiao),清(qing)(qing)(qing)洗效率(lv)低。另外(wai),由于高(gao)頻(pin)指向性引起的(de)(de)(de)“陰影”區域,部分部件不能(neng)清(qing)(qing)(qing)潔。采用(yong)無頻(pin)率(lv)跟(gen)蹤超聲(sheng)(sheng)清(qing)(qing)(qing)洗裝置時,需要(yao)對(dui)(dui)(dui)發生(sheng)器頻(pin)率(lv)進行(xing)調節,使其輸出(chu)信號的(de)(de)(de)頻(pin)率(lv)與傳感(gan)器的(de)(de)(de)固(gu)有(you)(you)(you)振(zhen)動頻(pin)率(lv)一致。這時,空泡效應最強。清(qing)(qing)(qing)潔液(ye)中可見大(da)(da)量積聚的(de)(de)(de)白色物質。手指頭像一根(gen)針一樣。
高(gao)功率(lv)密(mi)度的(de)超(chao)(chao)聲清(qing)(qing)洗(xi)(xi)(xi)是提高(gao)超(chao)(chao)聲清(qing)(qing)洗(xi)(xi)(xi)效率(lv)的(de)有效途徑。然(ran)而,功率(lv)密(mi)度過(guo)高(gao)會由于氣(qi)蝕過(guo)強而對(dui)工(gong)件(jian)(jian)表面(mian)造(zao)成(cheng)侵蝕(即氣(qi)蝕腐蝕),對(dui)工(gong)件(jian)(jian)造(zao)成(cheng)損害,尤其是對(dui)于有各種(zhong)涂層(ceng)的(de)工(gong)件(jian)(jian)或鋁(lv)及(ji)鋁(lv)合金工(gong)件(jian)(jian)。能量密(mi)度過(guo)大(da)(da)(da)也(ye)不會產生飽和效應。對(dui)油污嚴重、形(xing)狀復雜(za)、深(shen)孔盲孔的(de)零件(jian)(jian),清(qing)(qing)洗(xi)(xi)(xi)槽要(yao)深(shen)、清(qing)(qing)洗(xi)(xi)(xi)液粘度大(da)(da)(da)、功率(lv)密(mi)度大(da)(da)(da)。高(gao)頻率(lv)超(chao)(chao)聲清(qing)(qing)洗(xi)(xi)(xi)功率(lv)密(mi)度也(ye)很大(da)(da)(da)。能量密(mi)度可在用水或酒精清(qing)(qing)洗(xi)(xi)(xi)或漂洗(xi)(xi)(xi)時降低。
由(you)于清(qing)洗液的(de)空化程度(du)與溫度(du)有關,溫度(du)的(de)升高(gao)(gao)有利于汽蝕,但蒸氣壓力也相應增(zeng)大。溫度(du)過高(gao)(gao)會使氣穴減少。所(suo)以必須保持一(yi)定的(de)溫度(du)范圍。例如水溶(rong)劑清(qing)洗液一(yi)般在45℃左右,三氯乙烯清(qing)洗液約(yue)75℃,水約(yue)60℃。對揮(hui)發性(xing)和易燃的(de)清(qing)洗液,溫度(du)不宜過高(gao)(gao)。
超聲清(qing)洗(xi)的效(xiao)果和質量(liang)取(qu)決于超聲清(qing)洗(xi)的時(shi)(shi)(shi)間(jian)。對于清(qing)洗(xi)質量(liang)的要求,時(shi)(shi)(shi)間(jian)過(guo)(guo)(guo)短。但是,零件(jian)表面氣蝕腐蝕嚴重(zhong),從而影響(xiang)零件(jian)的質量(liang),延長使用壽命,不僅降低生(sheng)產效(xiao)率(lv)。油污(wu)染嚴重(zhong),形(xing)狀復雜(za)的零件(jian),清(qing)洗(xi)時(shi)(shi)(shi)間(jian)要長。不同涂層的鋁及鋁合金零件(jian)的清(qing)洗(xi)時(shi)(shi)(shi)間(jian)不宜(yi)過(guo)(guo)(guo)長。一般說(shuo)來,表面光潔度高的零件(jian)的油污(wu)較少,清(qing)洗(xi)時(shi)(shi)(shi)間(jian)不宜(yi)過(guo)(guo)(guo)長。特定(ding)的清(qing)潔時(shi)(shi)(shi)間(jian)要通過(guo)(guo)(guo)實驗確定(ding)。
為(wei)改善清洗(xi)(xi)(xi)效果,并確保超(chao)聲(sheng)波清洗(xi)(xi)(xi)裝(zhuang)置的(de)正常使用,部件在(zai)清洗(xi)(xi)(xi)槽中(zhong)的(de)位(wei)置應引起重(zhong)(zhong)視。開始,要(yao)避(bi)免在(zai)超(chao)聲(sheng)振動(dong)輻射面(mian)直接擠壓零件,使輻射面(mian)無法產生預期的(de)振動(dong),導致清洗(xi)(xi)(xi)裝(zhuang)置無法正常工(gong)作。對較重(zhong)(zhong)的(de)部件尤其重(zhong)(zhong)要(yao)。部件由專用工(gong)具吊(diao)在(zai)清洗(xi)(xi)(xi)槽內(nei)(nei),并盡(jin)可能接近表面(mian)。第二(er),關(guan)鍵的(de)清洗(xi)(xi)(xi)部位(wei)必須對準超(chao)聲(sheng)波源。三是要(yao)考慮清潔后污物能夠順利排放(fang)。第四,使清洗(xi)(xi)(xi)液在(zai)清洗(xi)(xi)(xi)槽內(nei)(nei)的(de)對流。使用循環連續(xu)補(bu)充(chong)清洗(xi)(xi)(xi)液的(de)方法時(shi),進(jin)液速度不宜過(guo)快(kuai),否則由于補(bu)充(chong)的(de)清洗(xi)(xi)(xi)液中(zhong)氣體較多,氣穴就會減弱。
在(zai)盲(mang)孔(kong)清洗(xi)(xi)時,應先在(zai)盲(mang)孔(kong)內注入清洗(xi)(xi)液,然后將盲(mang)孔(kong)對準超(chao)聲源。清潔時,要始終將清洗(xi)(xi)液注入孔(kong)內,以達(da)到(dao)顯(xian)著的效(xiao)果(guo)。
超(chao)音波清洗槽應(ying)避免(mian)撞擊(ji)及快速冷卻加熱,以免(mian)損壞(huai)與傳感器的連接。對某(mou)些零件進行(xing)超(chao)聲(sheng)清洗時(shi),應(ying)進行(xing)消磁處(chu)理,否則殘余鐵屑(xie)不易(yi)清除(chu)。
超聲清(qing)洗質量檢(jian)查主要(yao)是檢(jian)查被清(qing)潔(jie)零(ling)件表面的污垢殘(can)留。
廣東固特(te)超聲股份有(you)限公(gong)司(si)現已(yi)成為(wei)(wei)(wei)集超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)應用技術(shu)(shu)研(yan)(yan)究、超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)清(qing)(qing)洗(xi)機設備研(yan)(yan)發、生(sheng)產(chan)、銷售和技術(shu)(shu)服務(wu)(wu)于(yu)一體的(de)國家高新技術(shu)(shu)企(qi)業(ye)(ye)。公司在超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)行業(ye)(ye)中占有一定的(de)地位,作(zuo)為(wei)(wei)(wei)業(ye)(ye)界公認的(de)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)清(qing)(qing)洗(xi)技術(shu)(shu)解(jie)決方案(an)專家,固特超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)于(yu)2015年率先在新三板掛牌上市。是(shi)擁有專業(ye)(ye)研(yan)(yan)發團隊(dui)的(de)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)清(qing)(qing)洗(xi)機廠家,率先提出(chu)健康家用超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)清(qing)(qing)洗(xi)機品(pin)(pin)類并開發了百款產(chan)品(pin)(pin),是(shi)商用超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)清(qing)(qing)洗(xi)機、工業(ye)(ye)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)清(qing)(qing)洗(xi)機、超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)環保(bao)設備尤其是(shi)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)除垢設備領域(yu)行業(ye)(ye)翹(qiao)楚,擅長產(chan)業(ye)(ye)資(zi)本(ben)和金融(rong)資(zi)本(ben)的(de)對接,致力于(yu)成為(wei)(wei)(wei)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)清(qing)(qing)洗(xi)綜合服務(wu)(wu)領軍企(qi)業(ye)(ye)。